JPH11508826A - 接着テープで覆ったレーザ衝撃ピーニング - Google Patents
接着テープで覆ったレーザ衝撃ピーニングInfo
- Publication number
- JPH11508826A JPH11508826A JP9539083A JP53908397A JPH11508826A JP H11508826 A JPH11508826 A JP H11508826A JP 9539083 A JP9539083 A JP 9539083A JP 53908397 A JP53908397 A JP 53908397A JP H11508826 A JPH11508826 A JP H11508826A
- Authority
- JP
- Japan
- Prior art keywords
- laser beam
- laser
- workpiece
- tape
- laser shock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000035939 shock Effects 0.000 title claims abstract description 107
- 239000002390 adhesive tape Substances 0.000 title claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 51
- 238000010304 firing Methods 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000010410 layer Substances 0.000 claims abstract description 10
- 238000005299 abrasion Methods 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 9
- 239000012790 adhesive layer Substances 0.000 claims abstract description 6
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 5
- 239000011888 foil Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 239000000463 material Substances 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010422 painting Methods 0.000 description 4
- 238000002635 electroconvulsive therapy Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D10/00—Modifying the physical properties by methods other than heat treatment or deformation
- C21D10/005—Modifying the physical properties by methods other than heat treatment or deformation by laser shock processing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
- C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
- C21D7/06—Modifying the physical properties of iron or steel by deformation by cold working of the surface by shot-peening or the like
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S148/00—Metal treatment
- Y10S148/902—Metal treatment having portions of differing metallurgical properties or characteristics
- Y10S148/903—Directly treated with high energy electromagnetic waves or particles, e.g. laser, electron beam
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Optics & Photonics (AREA)
- Thermal Sciences (AREA)
- Laser Beam Processing (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.金属工作物をレーザ衝撃ピーニングする方法に於て、 削摩媒質を持つテープを用いて、工作物のレーザ衝撃ピーニング面を接着によ って覆う事により、テープを貼った面を形成し、 レーザ・ビーム及び金属工作物の間で連続的な移動を行わせる間、工作物のテ ープを貼った面に対して、比較的一定の期間の合間に反復的にパルスを発生する レーザ・ビームを連続的に発射し、 前記パルスを用いて、テープの削摩媒質を蒸発させるのに十分なエネルギを持 つレーザ・ビームを発射して、テープ上にレーザ・ビーム・スポットを形成する と共に、工作物内に、当該領域がレーザ衝撃ピーニング面から工作物の中に入込 むようなレーザ・ビーム・パルスによって加えられた深い圧縮残留応力を持つ領 域を形成し、 その上にレーザ・ビームを発射するテープの上に流体カーテンを流して、相対 的な移動が行われる間、重なり合うレーザ・ビーム・スポットのパターンを形成 する工程を含む方法。 2.更に、請求項1記載の方法を用いて、工作物の両側を同時にレーザ衝撃ピ ーニングする事を含む請求項1記載の方法。 3.工作物を直線的に移動すると共に、レーザ・ビームを不動に保って、全体 的に等間隔の直線上で整合する中心点を持つ1列の重なり合う円形レーザ・ビー ム・スポットを発生する請求項1記載の方法。 4.工作物を移動すると共にレーザ・ビームを発射して、隣接する列のスポッ トが重なり合うような、全体的に等間隔の直線上で整合する中心点を持つ2列以 上の重なり合う円形レーザ・ビーム・スポットを発生する請求項3記載の方法。 5.レーザ・ビームを発射すると共に工作物を移動して、隣接する列にある隣 接するスポットの中心点が、中心点が直線上で整合する線に沿った方向で全体的 に同じ分だけ互いにずれるようにする請求項4記載の方法。 6.1組の順序を用いて、レーザ衝撃ピーニング面をレーザ衝撃ピーニングし 、各々の順序は深い圧縮残留応力を持つ領域を形成する衝撃波が発生されるよう なプラズマを発生するのに適したテープを用いて、前記面にテープを貼り、その 後、 連続的に工作物を移動させると共に不動のレーザ・ビームを前記面に連続的に発 射して、前記組の相異なる順序で、隣接するレーザ衝撃ピーニングを受ける円形 スポットに命中させるようにする工程を含む請求項4記載の方法。 7.レーザ・ビームを発射すると共に工作物を移動して、隣接する列にある隣 接したスポットの中心点が、該中心点が直線上で整合する線に沿った方向に全体 的に同じ分だけ互いにずれるようにする請求項6記載の方法。 8.更に、複数個の前記順序を用い、略各々のスポットに、前記複数個の内の 相異なる順序では1回より多く命中すると共に、任意の順序では1回だけ命中す るようにする請求項7記載の方法。 9.前記テープが、削摩媒質を含む削摩層の片側に接着剤層を持つ接着テープ である請求項1記載の方法。 10.前記面の一部分が前記接着テープの1つより多くの層で覆われている請 求項1記載の方法。 11.前記接着テープがプラスチック・テープである請求項1記載の方法。 12.前記流体が澄明である請求項1記載の方法。 13.前記澄明な流体が水である請求項12記載の方法。 14.金属工作物をレーザ衝撃ピーニングする方法に於て、 工作物の表面部分に接着性支持体を接着する事により、接着性支持体を持つ金 属箔で工作物の表面部分を覆い、 金属工作物を連続的に移動しながら工作物のテープを貼った面に対して比較的 一定の期間の合間に反復的にパルスを発射する不動のレーザ・ビームを連続的に 発射し、 前記パルスを用いて金属箔を蒸発させるのに十分なエネルギを持つレーザ・ビ ームを発射して、該箔上にレーザ・ビーム・スポットを形成すると共に、工作物 に、レーザ・ビームのパルス発射によって加えられた深い圧縮残留応力を持つ領 域を形成して、該領域がレーザ衝撃ピーニング面から工作物の中に入込むように し、 それに対して前記レーザ・ビームを発射する箔の上に流体カーテンを流して、 相対的な移動が行われる間、重なり合うレーザ・ビーム・スポットのパターンを 形成する工程を含む方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/638,623 | 1996-04-26 | ||
US08/638,623 US5674329A (en) | 1996-04-26 | 1996-04-26 | Adhesive tape covered laser shock peening |
PCT/US1997/007019 WO1997041267A1 (en) | 1996-04-26 | 1997-04-25 | Adhesive tape covered laser shock peening |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH11508826A true JPH11508826A (ja) | 1999-08-03 |
JP4187267B2 JP4187267B2 (ja) | 2008-11-26 |
Family
ID=24560784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53908397A Expired - Fee Related JP4187267B2 (ja) | 1996-04-26 | 1997-04-25 | 金属工作物をレーザ衝撃ピーニングする方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5674329A (ja) |
EP (1) | EP0835328B1 (ja) |
JP (1) | JP4187267B2 (ja) |
KR (1) | KR100525998B1 (ja) |
DE (1) | DE69714677T2 (ja) |
IL (1) | IL122566A (ja) |
WO (1) | WO1997041267A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005124386A (ja) * | 2003-09-22 | 2005-05-12 | Nissan Motor Co Ltd | 低鉄損の電磁鋼板を使用するロータ、ロータ製造方法およびレーザピーニング方法並びにレーザピーニング装置 |
JP2006075902A (ja) * | 2004-07-09 | 2006-03-23 | General Electric Co <Ge> | 連続動作レーザショックピーニング |
JP2007300093A (ja) * | 2006-05-01 | 2007-11-15 | General Electric Co <Ge> | Lspのオンザフライエネルギー変更 |
US9504692B2 (en) | 2011-08-02 | 2016-11-29 | Helmholtz Zentrum Munchen, Deutsches Forschungszentrum Fur Gesundheit Und Umwelt (Gmbh) | Selective inhibition of MALT1 protease by phenothiazine derivatives |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
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US6005219A (en) * | 1997-12-18 | 1999-12-21 | General Electric Company | Ripstop laser shock peening |
US6130400A (en) * | 1998-06-26 | 2000-10-10 | General Electric Company | Ballistic momentum apparatus and method for monitoring and controlling laser shock peening |
US5951790A (en) * | 1998-06-26 | 1999-09-14 | General Electric Company | Method of monitoring and controlling laser shock peening using an in plane deflection test coupon |
US6183882B1 (en) | 1998-06-29 | 2001-02-06 | General Electric Company | In plane deflection coupon for monitoring and controlling of laser shock peening |
US6094260A (en) * | 1998-08-12 | 2000-07-25 | General Electric Company | Holographic interferometry for monitoring and controlling laser shock peening |
DE19839181A1 (de) * | 1998-08-28 | 2000-03-02 | Bayerische Motoren Werke Ag | Verfahren zur Randschicht-Verfestigung eines metallenen Bauteiles mittels eines gepulsten Lasers |
US6200689B1 (en) * | 1998-10-14 | 2001-03-13 | General Electric Company | Laser shock peened gas turbine engine seal teeth |
US5948293A (en) * | 1998-12-03 | 1999-09-07 | General Electric Company | Laser shock peening quality assurance by volumetric analysis of laser shock peened dimple |
US6155789A (en) * | 1999-04-06 | 2000-12-05 | General Electric Company | Gas turbine engine airfoil damper and method for production |
US6670578B2 (en) | 1999-07-19 | 2003-12-30 | The Regents Of The University Of California | Pre-loading of components during laser peenforming |
PL195102B1 (pl) * | 1999-07-19 | 2007-08-31 | Univ California | Sposób formowania kształtów i konturów w metalowym przedmiocie i układ do formowania kształtów i konturów w metalowym przedmiocie |
US6075593A (en) * | 1999-08-03 | 2000-06-13 | General Electric Company | Method for monitoring and controlling laser shock peening using temporal light spectrum analysis |
US6296448B1 (en) | 1999-09-30 | 2001-10-02 | General Electric Company | Simultaneous offset dual sided laser shock peening |
US6479790B1 (en) * | 2000-01-31 | 2002-11-12 | General Electric Company | Dual laser shock peening |
US6423935B1 (en) | 2000-02-18 | 2002-07-23 | The Regents Of The University Of California | Identification marking by means of laser peening |
US6341936B1 (en) * | 2000-04-21 | 2002-01-29 | General Electric Company | FOD inspection of laser shock peened gas turbine engine airfoils |
US6677037B1 (en) * | 2000-09-13 | 2004-01-13 | General Electric Company | Laser shock peening tape, method and article |
US6657160B2 (en) | 2001-01-25 | 2003-12-02 | The Regents Of The University Of California | Laser peening of components of thin cross-section |
US6541733B1 (en) | 2001-01-29 | 2003-04-01 | General Electric Company | Laser shock peening integrally bladed rotor blade edges |
US6500269B2 (en) | 2001-01-29 | 2002-12-31 | General Electric Company | Method of cleaning turbine component using laser shock peening |
US6558485B2 (en) | 2001-08-13 | 2003-05-06 | General Electric Company | Laser shock peening with an explosive coating |
US6570125B2 (en) | 2001-08-31 | 2003-05-27 | General Electric Company | Simultaneous offset dual sided laser shock peening with oblique angle laser beams |
US6570126B2 (en) | 2001-08-31 | 2003-05-27 | General Electric Company | Simultaneous offset dual sided laser shock peening using low energy laser beams |
US6629464B2 (en) | 2001-10-03 | 2003-10-07 | Ui Won Suh | Laser shock peening quality assurance by acoustic analysis |
US6559415B1 (en) * | 2002-07-12 | 2003-05-06 | General Electric Company | Single sided laser shock peening |
US7180918B2 (en) * | 2003-05-16 | 2007-02-20 | Metal Improvement Company, Llc | Self-seeded single-frequency solid-state ring laser and system using same |
US6914215B2 (en) * | 2003-06-27 | 2005-07-05 | General Electric Company | Real time laser shock peening quality assurance by natural frequency analysis |
US6917012B2 (en) * | 2003-07-03 | 2005-07-12 | General Electric Company | Reducing electromagnetic feedback during laser shock peening |
US6900409B2 (en) * | 2003-08-22 | 2005-05-31 | General Electric Company | Single head laser high throughput laser shock peening |
US7291805B2 (en) * | 2003-10-30 | 2007-11-06 | The Regents Of The University Of California | Target isolation system, high power laser and laser peening method and system using same |
US7209500B2 (en) * | 2003-10-30 | 2007-04-24 | Metal Improvement Company, Llc | Stimulated Brillouin scattering mirror system, high power laser and laser peening method and system using same |
US7110171B2 (en) * | 2003-10-30 | 2006-09-19 | Metal Improvement Company, Llc | Relay telescope including baffle, and high power laser amplifier utilizing the same |
ATE498928T1 (de) * | 2003-10-30 | 2011-03-15 | Metal Improvement Company Llc | Relay teleskop, laserverstärker, und laserschockbestrahlungsverfahren und dessen vorrichtung |
US7851725B2 (en) | 2004-11-17 | 2010-12-14 | Metal Improvement Company Llc | Active beam delivery system with image relay |
US7750266B2 (en) * | 2004-11-17 | 2010-07-06 | Metal Improvement Company Llc | Active beam delivery system for laser peening and laser peening method |
US7718921B2 (en) * | 2004-11-17 | 2010-05-18 | Metal Improvement Company Llc | Active beam delivery system with variable optical path segment through air |
US7304266B2 (en) | 2004-12-09 | 2007-12-04 | General Electric Company | Laser shock peening coating with entrapped confinement medium |
US7204677B2 (en) | 2005-06-30 | 2007-04-17 | General Electric Company | Countering laser shock peening induced blade twist |
US7217102B2 (en) * | 2005-06-30 | 2007-05-15 | General Electric Campany | Countering laser shock peening induced airfoil twist using shot peening |
US7906746B2 (en) * | 2005-11-30 | 2011-03-15 | General Electric Company | Laser shock peening system with time-of-flight monitoring |
US7960671B2 (en) * | 2005-12-20 | 2011-06-14 | Metal Improvement Company Llc | Laser shock processing with momentum trap |
US7736450B2 (en) * | 2006-09-29 | 2010-06-15 | General Electric Company | Varying fluence as a function of thickness during laser shock peening |
US20080241546A1 (en) | 2007-03-30 | 2008-10-02 | General Electric Company | Machining features in laser shock peened regions |
US7735350B2 (en) * | 2008-09-29 | 2010-06-15 | General Electric Co. | Measuring intensity of shot peening in areas with difficult accessibility |
US10072971B2 (en) | 2010-04-16 | 2018-09-11 | Metal Improvement Company, Llc | Flexible beam delivery system for high power laser systems |
GB201204752D0 (en) * | 2012-03-19 | 2012-05-02 | Bae Systems Plc | Additive layer manufacturing |
WO2014028599A1 (en) | 2012-08-14 | 2014-02-20 | Guo Yuebin | A biodegradable medical device having an adjustable degradation rate and methods of making the same |
JP7118051B2 (ja) * | 2016-09-23 | 2022-08-15 | タタ、スティール、ネダーランド、テクノロジー、ベスローテン、フェンノートシャップ | 移動する鋼ストリップの液体利用レーザーテクスチャリング方法及び装置 |
WO2020072512A1 (en) * | 2018-10-01 | 2020-04-09 | Lsp Technologies, Inc. | Systems, methods and apparatuses for launching laser beams into multiple fibers and/or combining beams |
CN114990323B (zh) * | 2022-04-21 | 2023-10-31 | 河南机电职业学院 | 磁水双约束脉冲激光冲击强化方法及系统 |
CN116732313B (zh) * | 2023-06-25 | 2024-08-09 | 成都飞机工业(集团)有限责任公司 | 零件过渡圆角激光强化包覆结构、包覆工具及包覆方法 |
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US3566662A (en) * | 1969-04-28 | 1971-03-02 | Boeing Co | Coldworking method and apparatus |
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US4934170A (en) * | 1989-02-16 | 1990-06-19 | Fatigue Technology, Incorporated | Fatigue life enhancement of noncircular openings |
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ES2075435T3 (es) * | 1990-01-11 | 1995-10-01 | Battelle Memorial Institute | Mejora de las propiedades de los materiales. |
GB2257163B (en) * | 1991-07-02 | 1995-04-05 | Res & Dev Min Def Gov In | A process for improving fatigue crack growth resistance |
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EP0964067B1 (en) * | 1993-12-07 | 2002-09-04 | Toyota Jidosha Kabushiki Kaisha | Laser shock processing method utilizing light absorbing material film |
-
1996
- 1996-04-26 US US08/638,623 patent/US5674329A/en not_active Expired - Lifetime
-
1997
- 1997-04-25 JP JP53908397A patent/JP4187267B2/ja not_active Expired - Fee Related
- 1997-04-25 WO PCT/US1997/007019 patent/WO1997041267A1/en active IP Right Grant
- 1997-04-25 IL IL12256697A patent/IL122566A/xx not_active IP Right Cessation
- 1997-04-25 EP EP97923466A patent/EP0835328B1/en not_active Expired - Lifetime
- 1997-04-25 KR KR1019970709707A patent/KR100525998B1/ko not_active IP Right Cessation
- 1997-04-25 DE DE69714677T patent/DE69714677T2/de not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005124386A (ja) * | 2003-09-22 | 2005-05-12 | Nissan Motor Co Ltd | 低鉄損の電磁鋼板を使用するロータ、ロータ製造方法およびレーザピーニング方法並びにレーザピーニング装置 |
JP2006075902A (ja) * | 2004-07-09 | 2006-03-23 | General Electric Co <Ge> | 連続動作レーザショックピーニング |
JP2007300093A (ja) * | 2006-05-01 | 2007-11-15 | General Electric Co <Ge> | Lspのオンザフライエネルギー変更 |
US9504692B2 (en) | 2011-08-02 | 2016-11-29 | Helmholtz Zentrum Munchen, Deutsches Forschungszentrum Fur Gesundheit Und Umwelt (Gmbh) | Selective inhibition of MALT1 protease by phenothiazine derivatives |
Also Published As
Publication number | Publication date |
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DE69714677T2 (de) | 2003-04-24 |
WO1997041267A1 (en) | 1997-11-06 |
EP0835328B1 (en) | 2002-08-14 |
KR19990028391A (ko) | 1999-04-15 |
US5674329A (en) | 1997-10-07 |
IL122566A (en) | 2000-10-31 |
DE69714677D1 (de) | 2002-09-19 |
KR100525998B1 (ko) | 2006-02-28 |
JP4187267B2 (ja) | 2008-11-26 |
EP0835328A1 (en) | 1998-04-15 |
IL122566A0 (en) | 1998-06-15 |
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